<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>order</title>

    <style type="text/css">
        .container {
            display: flex;
            width: 80vw;
            height: 50vh;
            border: 5px solid gold;
            margin: 25px auto;
            flex-flow: row nowrap;
            justify-content: space-between;
            align-items: stretch;
        }
        
        .item {
            flex: 0 1 20%;
        }
        
        .item:nth-child(odd) {
            background: #6666fa;
        }
        
        .item:nth-child(even) {
            background: #fa6666;
        }
        
        .item2 {
            order: 1;
        }
        
        .item3 {
            order: 2;
        }
        
        .item4 {
            order: 3;
        }
        
        .item1 {
            order: 4;
        }
    </style>
</head>

<body>

    <div class="container">
        <div class="item item1">天王盖地虎</div>
        <div class="item item2">藜蒿炒腊肉</div>
        <div class="item item3">落霞与孤鹜齐飞</div>
        <div class="item item4">风里雨里我在东理等你</div>
    </div>

</body>

</html>